Electronic catalog
language:English
catalogue:Articles
Search result:
891-900 of 955
periodical press (Magazines)
PANSHINA S. YU.
Panshina, S. Yu. Synthesis of Cucurbit [6] uril Using 1-Hydroxyethylidene-1,1-Diphosphonic Acid as a “Green Catalyst” [Text] / S. Yu. Panshina, A. A. Bakibaev , A. N. Guslyakov [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 5-13. - Bibliogr.: p. 10-11 ISSN 2518-718Х.
UDC:
544.4
Subject headings
- Chemical kinetics. Catalysis
Annotation
In this work, 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP) was used for the first time as a catalyst for “Green chemistry” in the synthesis of cucurbit[6]uril in an aqueous medium
Keywords
cucurbit[6]uril, 1-hydroxyethylidene-1,1-diphosphonic acid, glycoluril, paraformaldehyde, oligomer
Kazakhstan
0/0 Free
periodical press (Magazines)
ZHINZHILO V. А.
Zhinzhilo, V. А. Coordinating Polymers Based on Nickel(II) and Cobalt(II) Trimesinates as Promising Adsorbents of Organic Dyes [Text] / V. А. Zhinzhilo, V. А. Litvinova , V. M. Lyamina [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 239-253. - Bibliogr.: р. 249-250 ISSN 2518-718Х.
UDC:
544
Subject headings
- Physical chemistry
Annotation
In this work, metal organic framework structures based on nickel and cobalt trimesinates were synthesized by a modified procedure by reacting nickel acetate and cobalt nitrate with trimesic acid in the presence of alkali
Keywords
metal organic framework structures, coordination polymers, trimesic acid, pollutants, thermodynamic parameters, adsorption capacity
Kazakhstan
0/0 Free
periodical press (Magazines)
MAMYTBEKOV G. K.
Mamytbekov, G. K. Synthesis, Structure and Properties of Hybrid Composite Bentonite-Based Materials [Text] / G. K. Mamytbekov, Zh. I. Beksultanov , V. I. Bannykh [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - С. 267-282. - Bibliogr.: р. 277-279 ISSN 2518-718Х.
Annotation
A systematic study of the synthesis of hybrid composite materials based on synthetic (poly-Nvinylpyrrolidone) and natural (agar-agar) macromolecules in the presence of plasticizers (PEG-400, glycerin) and mineral filler bentonite has been performed by the method of electron irradiation
Keywords
composition material , polymer-inorganic compositions , electron irradiation, bentonite, synthetic polymers, natural polymers
Kazakhstan
0/0 Free
periodical press (Magazines)
FOMIN V. N.
Fomin, V. N. Method for Qualitative and Quantitative Analysis of Ancient Lead Enamel Using Laser Inducted Breakdown Spectroscopy [Text] / V. N. Fomin, E. R. Usmanova , E. F. Gyul [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 107-117. - Bibliogr.: p. 114-115 ISSN 2518-718Х.
UDC:
543.4
Subject headings
- Spectral methods of analysis. Optical analysis methods
Annotation
The article discusses the method of laser spark emission spectroscopy, which is used to analyze archaeological enamel samples from the site of Juchi Khan (XIV century)
Keywords
chemometrics, cluster analysis, low-melting lead enamels, probabilistic deterministic design of experiment, archeology, settlement of Jochi Khan
Kazakhstan
0/0 Free
periodical press (Magazines)
ZULFUGAROVA S. M.
Zulfugarova, S. M. Synthesis of Transition Metal Ferrites (Co, Cu, Ni, Mn) by the Sol-Gel Method with Combustion and the Use of Microwave Processing [Text] / S. M. Zulfugarova, G. R. Azimova , Z. F. Aleskerova [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 118-135. - Bibliogr.: p. 130-134 ISSN 2518-718Х.
UDC:
546
Subject headings
- Inorganic chemistry
Annotation
This review considers recent work on the synthesis of transition metal ferrites (Co, Cu, Ni, Mn) by sol-gel method with combustion, as well as the effect of microwave radiation
Keywords
ferrites, sol-gel method with combustion, complexing agents, microwave technology, microwave power, dispersion, texture, specific surface area, particle size
Kazakhstan
0/0 Free
periodical press (Magazines)
HOUBI A.
Houbi, A. Synthesis and Microwave Absorption Properties of (Ni0.5Zn0.5Fe2O4/CI/CB) Ternary Composites [Text] / A. Houbi, A. A. Zharmenov; Y. Atassi [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 142-151. - Bibliogr.: p. 149-150 ISSN 2518-718Х.
UDC:
542.9
Subject headings
- Chemical reactions. Selected chemical methods
Annotation
In this work, ternary composites of NiZn ferrite/carbonyl iron/carbon black (Ni0.5Zn0.5Fe2O4/CI/CB) were prepared via two stages
Keywords
NiZn ferrite, сarbonyl iron, сarbon black, reflection loss, absorption bandwidth, matching frequency, paraffin wax matrix, surface density
Kazakhstan
0/0 Free
periodical press (Magazines)
BAYESHOV A.
Bayeshov, A. Electrochemical Method for Producing a TiO2 Film with Photocatalytic Properties [Text] / A. Bayeshov, A. S. Kadirbayeva , A. K. Bayeshova [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 152-159. - Bibliogr.: p. 158-159 ISSN 2518-718Х.
UDC:
544.653
Subject headings
- Chemistry of electrode processes. Electrochemical reactions as electrode reactions. Electrochemical behavior of substances. Electrochemical properties
Annotation
The purpose of this work is to study the production process of titanium dioxide during anode polarization in sulfuric acid and hydrochloric acid solutions
Keywords
titanium dioxide, coating , electrode, electrolyzer, polarization, voltage, sulfuric acid, hydrochloric acid
Kazakhstan
0/0 Free
periodical press (Magazines)
SHELKOVNIKOV V. V.
Shelkovnikov, V. V. Study of the Methionine Electrooxidation at an Electrode Modified with Vitamin B12 and Multi-Walled Carbon Nanotubes [Text] / V. V. Shelkovnikov, A. M. Altyev , M. S. Fryanova // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 99-106. - Bibliogr.: p. 104-105 ISSN 2518-718Х.
UDC:
543.55
Subject headings
- Electroanalytical methods of analysis. Electrochemical methods of analysis
Annotation
The electrochemical behavior of methionine at an electrode modified with vitamin B12 and multi-walled carbon nanotubes has been studied in this work
Keywords
methionine, modified electrode, vitamin B12, electrooxidation, cobalamin, electron, proton, multi-walled carbon nanotubes
Kazakhstan
0/0 Free
periodical press (Magazines)
BHIMANWAR R.
Bhimanwar, R. Prospective Hybrid Molecules with Dual Anti-Viral and Anti-Thrombotic Activity Against the SARS-CoV-2 Infection and Its Associated Complications Employing in Silico Studies [Text] / R. Bhimanwar, A. Thomas , L. Kothapalli [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 76-87. - Bibliogr.: p. 85-86 ISSN 2518-718Х.
UDC:
530.145
Subject headings
- Quantum theory. Quantum mechanics
Annotation
This study investigates the in Silico design of hybrid molecules with antiviral and an- tithrombotic properties
Keywords
COVID-19, molecular docking, in Silico, hybrid molecule, respiratory tract infections
Kazakhstan
0/0 Free
periodical press (Magazines)
TYANAKH S.
Tyanakh, S. Kinetics of Thermolysis of a Low-Temperature Tar in the Presence of a Catalyzer Agent with Deposited Metals [Text] / S. Tyanakh, M. I. Baikenov , A. M. Gulmaliev [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 89-98. - Bibliogr.: p. 95-96 ISSN 2518-718Х.
UDC:
541
Subject headings
- Theoretical chemistry
Annotation
The thermal decomposition of low-temperature coal tar (LTCT) obtained from the coals of Shubarkol Komir JSC of the Republic of Qazaqstan in the presence of nanocatalysts with metal oxides (iron, cobalt and nickel) supported on microsilicate was studied for the first time
Keywords
kinetics, accelerant, microsilica, low-temperature coal tar, thermogravimetric analysis, iron, nickel, cobalt
Kazakhstan
0/0 Free
PANSHINA S. YU.
SYNTHESIS OF CUCURBIT [6] URIL USING 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID AS A “GREEN CATALYST”
periodical press (Magazines)
0/0 Free
ZHINZHILO V. А.
COORDINATING POLYMERS BASED ON NICKEL(II) AND COBALT(II) TRIMESINATES AS PROMISING ADSORBENTS OF ORGANIC DYES
periodical press (Magazines)
0/0 Free
MAMYTBEKOV G. K.
SYNTHESIS, STRUCTURE AND PROPERTIES OF HYBRID COMPOSITE BENTONITE-BASED MATERIALS
periodical press (Magazines)
0/0 Free
FOMIN V. N.
METHOD FOR QUALITATIVE AND QUANTITATIVE ANALYSIS OF ANCIENT LEAD ENAMEL USING LASER INDUCTED BREAKDOWN SPECTROSCOPY
periodical press (Magazines)
0/0 Free
ZULFUGAROVA S. M.
SYNTHESIS OF TRANSITION METAL FERRITES (CO, CU, NI, MN) BY THE SOL-GEL METHOD WITH COMBUSTION AND THE USE OF MICROWAVE PROCESSING
periodical press (Magazines)
0/0 Free
HOUBI A.
SYNTHESIS AND MICROWAVE ABSORPTION PROPERTIES OF (NI0.5ZN0.5FE2O4/CI/CB) TERNARY COMPOSITES
periodical press (Magazines)
0/0 Free
BAYESHOV A.
ELECTROCHEMICAL METHOD FOR PRODUCING A TIO2 FILM WITH PHOTOCATALYTIC PROPERTIES
periodical press (Magazines)
0/0 Free
SHELKOVNIKOV V. V.
STUDY OF THE METHIONINE ELECTROOXIDATION AT AN ELECTRODE MODIFIED WITH VITAMIN B12 AND MULTI-WALLED CARBON NANOTUBES
periodical press (Magazines)
0/0 Free
BHIMANWAR R.
PROSPECTIVE HYBRID MOLECULES WITH DUAL ANTI-VIRAL AND ANTI-THROMBOTIC ACTIVITY AGAINST THE SARS-COV-2 INFECTION AND ITS ASSOCIATED COMPLICATIONS EMPLOYING IN SILICO STUDIES
periodical press (Magazines)
0/0 Free
TYANAKH S.
KINETICS OF THERMOLYSIS OF A LOW-TEMPERATURE TAR IN THE PRESENCE OF A CATALYZER AGENT WITH DEPOSITED METALS
periodical press (Magazines)
0/0 Free